Introduction to 2-D Barcode and QR-Code with Applications

Various kinds of barcodes have been used in emerging fields of m-commerce. Two dimensional barcode gain rapid achievements over different types of barcode like Datamatrix, Beetag, PDF-4417 codes. With the advancement of technology one dimensional barcode is shifted to two dimensional barcode for their large storage capacity and error correction level. Mobile industry gaining more attention to present diverse commerce data and enhancing the user experience by storing more data and reduced input. This paper introduces 2-D barcode concepts, their types and QR-code structure. The process of mobile tagging to connect to real world web along with different applications in m-commerce. The aim is to analyze the QR-code so that it can be prevented from outside attacks. Paper also represents different security levels of QR-code.